updating incorrect capitalisations in admin

https://www.pivotaltracker.com/story/show/52784293
Update incorrect capitalisations in whitehall admin

https://www.pivotaltracker.com/story/show/52784293
fixing broken tests
Merge pull request #643 from alphagov/update-capitalisation-errors-in-admin

Update capitalisation errors in admin

https://www.pivotaltracker.com/story/show/52784293